<template>
  <div class="header">
    <!-- 折叠按钮 -->
    <div class="collapse-btn" @click="collapseChage">
      <i v-if="!collapse" class="el-icon-s-fold"></i>
      <i v-else class="el-icon-s-unfold"></i>
    </div>
    <div class="logo">请销假后台管理</div>
    <div class="header-right">
      <div class="header-user-con">
        <!-- 全屏显示 -->
        <div class="btn-fullscreen" @click="handleFullScreen">
          <el-tooltip
            effect="dark"
            :content="fullscreen ? `取消全屏` : `全屏`"
            placement="bottom"
          >
            <i class="el-icon-full-screen"></i>
          </el-tooltip>
        </div>
        <!-- 用院系下拉菜单 -->
        <el-dropdown
          v-if="myUser.roleid != 1"
          @command="handleCommand"
          class="user-name"
          trigger="click"
        >
          <span class="el-dropdown-link">
            {{ currentDeptName() }}
            <i class="el-icon-caret-bottom"></i>
          </span>
          <el-dropdown-menu slot="dropdown">
            <template v-for="item in orgsList">
              <el-dropdown-item :command="item.deptid">{{
                item.deptname
              }}</el-dropdown-item>
            </template>
          </el-dropdown-menu>
        </el-dropdown>
        <el-dropdown
          @command="handleCommand2"
          class="user-name"
          trigger="click"
        >
          <span class="el-dropdown-link">
            {{ username }}
            <i class="el-icon-caret-bottom"></i>
          </span>
          <el-dropdown-menu slot="dropdown">
            <el-dropdown-item divided command="loginout"
              >退出登录</el-dropdown-item
            >
          </el-dropdown-menu>
        </el-dropdown>
      </div>
    </div>
  </div>
</template>
<script>
import bus from "../common/bus";
export default {
  data() {
    return {
      collapse: false,
      fullscreen: false,
      name: "linxin",
      message: 2,
      myUser: {},
    };
  },
  computed: {
    username() {
      let my_user = localStorage.getItem("my_user");
      console.log("my_user", my_user);
      if (my_user) {
        my_user = JSON.parse(my_user);
      }
      return my_user.name ? my_user.name : this.name;
    },
    orgsList() {
      let my_user = localStorage.getItem("my_user");
      if (my_user) {
        my_user = JSON.parse(my_user);
        return my_user.orgs ? my_user.orgs : [];
      }
      return [];
    },
  },
  created() {
    let my_user = localStorage.getItem("my_user");
    if (my_user) {
      this.myUser = JSON.parse(my_user);
    }
  },
  methods: {
    //切换院系
    ChangeDept(sno, deptid) {
      let that = this;
      that
        .postAxios("/Login/ChangeDept?sno=" + sno + "&deptid=" + deptid, null)
        .then((res) => {
          if (res.code == 0) {
            let token = res.data.token;
            let user = res.data.user;
            user = JSON.stringify(user);

            localStorage.setItem("my_token", token);
            localStorage.setItem("my_user", user);
            that.$router.go(0);
          } else {
            that.$notify.error({
              title: "错误",
              message: "登录失败",
            });
          }
        });
    },
    // 用户名下拉菜单选择事件
    handleCommand(command) {
      console.log("command", command);
      if (command == this.myUser.curdeptid) {
        return false;
      } else {
        this.ChangeDept(this.myUser.sno, command);
      }
    },
    // 用户名下拉菜单选择事件
    handleCommand2(command) {
      if (command == "loginout") {
        localStorage.removeItem("my_token");
        localStorage.removeItem("my_user");
        window.location.href =
          "http://authserver.tmu.edu.cn/authserver/";
          
      }
    },
    //获取当前院系名称
    currentDeptName() {
      if (this.myUser && this.myUser.orgs) {
        let arr = this.myUser.orgs;
        console.log("this.myUser", this.myUser);
        if (arr.length) {
          for (let i = 0; i < arr.length; i++) {
            if (arr[i].deptid == this.myUser.curdeptid) {
              return arr[i].deptname;
            }
          }
        }
      }
    },
    // 侧边栏折叠
    collapseChage() {
      this.collapse = !this.collapse;
      bus.$emit("collapse", this.collapse);
    },
    // 全屏事件
    handleFullScreen() {
      let element = document.documentElement;
      if (this.fullscreen) {
        if (document.exitFullscreen) {
          document.exitFullscreen();
        } else if (document.webkitCancelFullScreen) {
          document.webkitCancelFullScreen();
        } else if (document.mozCancelFullScreen) {
          document.mozCancelFullScreen();
        } else if (document.msExitFullscreen) {
          document.msExitFullscreen();
        }
      } else {
        if (element.requestFullscreen) {
          element.requestFullscreen();
        } else if (element.webkitRequestFullScreen) {
          element.webkitRequestFullScreen();
        } else if (element.mozRequestFullScreen) {
          element.mozRequestFullScreen();
        } else if (element.msRequestFullscreen) {
          // IE11
          element.msRequestFullscreen();
        }
      }
      this.fullscreen = !this.fullscreen;
    },
  },
  mounted() {
    if (document.body.clientWidth < 1500) {
      this.collapseChage();
    }
  },
};
</script>
<style scoped>
.header {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: 70px;
  font-size: 22px;
  color: #fff;
}

.collapse-btn {
  float: left;
  padding: 0 21px;
  cursor: pointer;
  line-height: 70px;
}

.header .logo {
  float: left;
  width: 250px;
  line-height: 70px;
  font-size: 20px;
}

.header-right {
  float: right;
  padding-right: 20px;
}

.header-user-con {
  display: flex;
  height: 70px;
  align-items: center;
}

.btn-bell,
.btn-fullscreen {
  position: relative;
  width: 30px;
  height: 30px;
  text-align: center;
  border-radius: 15px;
  cursor: pointer;
}

.btn-bell-badge {
  position: absolute;
  right: 0;
  top: -2px;
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: #f56c6c;
  color: #fff;
}

.btn-bell .el-icon-bell {
  color: #fff;
}

.user-name {
  margin-left: 10px;
}

.user-avator {
  margin-left: 20px;
}

.user-avator img {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.el-dropdown-link {
  color: #fff;
  cursor: pointer;
}

.el-dropdown-menu__item {
  text-align: center;
}
</style>